Casio G-Shock GS-1100-1A

Multi-Band Atomic Timekeeping (US, UK, Germany, Japan)

Receives time calibration radio signals which keep the displayed time accurate

Auto receive function (up to 6 times per day)

Manual receive function

Tough Solar Power

Stores energy from any type of light (sunlight to fluorescent) to keep the watch running. Even if the battery charge runs out, it is fully rechargeable.

Shock Resistant

A basic structure with several layers of protection supports the module comprising the watch core, preventing transmission of intense shocks

200M Water Resistant

Neo-brite luminous hands and markers

World Time

29 times zones (27 cities), city code display, daylight saving on/off

Daily Alarm

1/20 second chronograph

Measuring capacity: 59'59.95"

Measuring modes: Elapsed time

Auto Calendar (pre-programmed until the year 2099)

12/24 Hour Formats

Accuracy: +/-20 seconds per month (with no signal calibration)

Storage Battery: CTL1025

Power Saving Function